SystemFontResolver.java

package net.nightwhistler.htmlspanner;

import android.graphics.Typeface;
import android.util.Log;

/**
 * Created with IntelliJ IDEA.
 * User: alex
 * Date: 6/23/13
 * Time: 9:13 AM
 * To change this template use File | Settings | File Templates.
 */
public class SystemFontResolver implements FontResolver {

    private FontFamily defaultFont;

    private FontFamily serifFont;
    private FontFamily sansSerifFont;
    private FontFamily monoSpaceFont;


    public SystemFontResolver() {
        this.defaultFont = new FontFamily("default", Typeface.DEFAULT);
        this.serifFont = new FontFamily("serif", Typeface.SERIF);
        this.sansSerifFont = new FontFamily("sans-serif", Typeface.SANS_SERIF);
        this.monoSpaceFont = new FontFamily("monospace", Typeface.MONOSPACE );
    }

    public FontFamily getDefaultFont() {
        return defaultFont;
    }

    public void setDefaultFont(FontFamily defaultFont) {
        this.defaultFont = defaultFont;
    }

    public FontFamily getSansSerifFont() {
        return sansSerifFont;
    }

    public void setSansSerifFont(FontFamily sansSerifFont) {
        this.sansSerifFont = sansSerifFont;
    }

    public FontFamily getSerifFont() {
        return serifFont;
    }

    public void setSerifFont(FontFamily serifFont) {
        this.serifFont = serifFont;
    }

    public FontFamily getMonoSpaceFont() {
        return monoSpaceFont;
    }

    public FontFamily getFont( String name ) {

        if ( name != null && name.length() > 0 ) {

            String[] parts = name.split(",(\\s)*");

            for ( int i = 0; i < parts.length; i++ ) {

                String fontName = parts[i];

                if ( fontName.startsWith("\"") && fontName.endsWith("\"")) {
                    fontName = fontName.substring(1, fontName.length() -1 );
                }

                if ( fontName.startsWith("\'") && fontName.endsWith("\'")) {
                    fontName = fontName.substring(1, fontName.length() -1 );
                }

                FontFamily fam = resolveFont(fontName);
                if ( fam != null ) {
                    return fam;
                }
            }
        }

        return getDefaultFont();
    }

    protected FontFamily resolveFont( String name ) {

        Log.d("SystemFontResolver", "Trying to resolve font " + name );

        if ( name.equalsIgnoreCase("serif") ) {
            return getSerifFont();
        } else if ( name.equalsIgnoreCase("sans-serif") ) {
            return getSansSerifFont();
        } else if ( name.equalsIgnoreCase("monospace") ) {
            return monoSpaceFont;
        }

        return null;
    }


}